Formulae for theAreas of Some Kinds of Polygons and its Application in Proving Relations in them

1) Prof. DSc. Jordan Tabov, 2) Dr. Asen Velchev, Assist. Prof.
Dr. Stanislav Stefanov, Assist. Prof 3), Haim Haimov, MSc math. 4)
1) Institute of Mathematics and Informatics -Bulgarian Academy of Sciences
2) Technical University – Sofia
3) University of Archtecture, Civil Engineering and Geodesy - Sofia, Bulgaria
4) 16, Bratya Shkorpil Str. - Varna, Bulgaria

https://doi.org/10.53656/math2023-1-3-for

Absract. А new formula for the area of an arbitrary quadrilateral is applied to derive formulae for the areas of some kinds of polygons with any number of sides; these formulae are further applied to find specific relationships for concrete number of sides.
Keywords: quadrilateral; polygon; area; formula; relationship

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